GCD of 428, 647, 772, 180 Calculator

Given Input numbers are 428, 647, 772, 180

In the factoring method, we have to find the divisors of all numbers

Divisors of 428 :

The positive integer divisors of 428 that completely divides 428 are.

1, 2, 4, 107, 214, 428

Divisors of 647 :

The positive integer divisors of 647 that completely divides 647 are.

1, 647

Divisors of 772 :

The positive integer divisors of 772 that completely divides 772 are.

1, 2, 4, 193, 386, 772

Divisors of 180 :

The positive integer divisors of 180 that completely divides 180 are.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180

GCD of numbers is the greatest common divisor

So, the GCD (428, 647, 772, 180) = 1.

Given numbers are 428, 647, 772, 180

The list of prime factors of all numbers are

Prime factors of 428 are 2 x 2 x 107

Prime factors of 647 are 647

Prime factors of 772 are 2 x 2 x 193

Prime factors of 180 are 2 x 2 x 3 x 3 x 5

The above numbers do not have any common prime factor. So GCD is 1

Given numbers are 428, 647, 772, 180

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(428, 647) = 276916

GCD(428, 647) = ( 428 x 647 ) / 276916

= 428 / 647

= 428

Step2:

LCM(1, 772) = 772

GCD(1, 772) = ( 1 x 772 ) / 772

= 1 / 772

= 1

Step3:

LCM(1, 180) = 180

GCD(1, 180) = ( 1 x 180 ) / 180

= 1 / 180

= 1

So, Greatest Common Divisor of 428, 647, 772, 180 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 606, 669, 343, 812
• GCD of 126, 139, 734, 134
• GCD of 185, 398, 824, 172
• GCD of 892, 175, 893, 502
• GCD of 412, 297, 382, 212

Given numbers are 428, 647, 772, 180
The greatest common divisor of numbers 428, 647, 772, 180 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 428, 647, 772, 180 is 1.

1. What is the GCD of 428, 647, 772, 180?

GCD of given numbers 428, 647, 772, 180 is 1

2. How to calculate the greatest common divisor of 428, 647, 772, 180?

We can find the highest common divisor of 428, 647, 772, 180 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 428, 647, 772, 180 i.e 1.

3. How can I use the GCD of 428, 647, 772, 180Calculator?

Out the numbers 428, 647, 772, 180 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.